Method and apparatus for testing printed wiring panels utilizing an overlay sheet having test apertures and pictorial test information

摘要

972, 384. Testing printed circuit boards. PHILCO CORPORATION. March 3, 1961 [March 3, 1960], No. 7810/61. Heading G1U. [Also in Divisions H3 and H4] In a method of testing a printed circuit radio receiver (see Division H3) a template 17 carrying circuit and test data is placed in registry with the printed circuit board 13. The template may be located by folded lugs 22 or notches 25 corresponding to notches 26 in the printed circuit board 13. Holes 18 provided for control spindles 20, 21 form additional registration means. Small holes 29 are provided to permit localised access to specific points of the printed circuit by the use of test prods.